ISL78302AARBJZ-T7A

Current - Output:	300mA, 300mA
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 105°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable, Power On Reset
PSRR:	--
Current - Supply (Max):	55µA
Current - Quiescent (Iq):	36µA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	-, 0.25V @ 300mA (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V, 2.8V
Voltage - Input (Max):	6.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionThe ISL78302AARBJZ-T7A is a high performance linear voltage regulator. It is designed for applications that require high power efficiency and reliability. It operates from an input voltage range of up to 24V and is capable of providing up to 1A of output current. It provides very low drop-out voltage (<50mV drop at 1A) and low output noise. The ISL78302AARBJZ-T7A is a monolithic integrated circuit that is housed in a small, low-profile 8-pin SOT-23 package.Application FieldThe ISL78302AARBJZ-T7A is ideal for a variety of applications such as automotive, industrial and consumer electronics. It is commonly used to regulate voltage in DC-DC converters, voltage regulators, portable calculators, electronic toys, medical equipment, and other general-purpose power supplies. It is also used in mobile phones and other portable electronic devices which require efficient and reliable power.Working PrincipleThe ISL78302AARBJZ-T7A uses a voltage reference to constant the output voltage value. The device features a linear voltage regulation circuit which contains several components including an error amplifier, a comparator and a transistor. The output voltage is adjustable from 0.8V to 4.5V using an external resistor divider. The input voltage is compared to the reference voltage and the error amplifier adjusts the output voltage accordingly. The output current is limited by a transistor operating in saturation mode. When the output voltage reaches the desired value, the transistor is switched off to reduce the current and maintain the output voltage.ConclusionThe ISL78302AARBJZ-T7A is a high performance, low-power linear voltage regulator that is designed for applications requiring high power efficiency and reliability. It is commonly used in automotive, industrial and consumer electronic devices, as well as in DC-DC converters, voltage regulators, and other power supplies. Its wide input voltage range and adjustable output voltage capabilities make it an ideal choice for a variety of applications. The device is housed in a small 8-pin SOT-23 package for easy installation and use, and it features low drop-out voltage, low output noise and efficient operation.

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